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Coumadin Oral

Coumadin® (warfarin sodium) is a prescription anticoagulant, often described as a "blood thinner" (although it does not actually thin the blood). It is used to prevent and treat blood clots due to various causes.
 
This drug is typically taken once a day. There are two different forms of Coumadin: oral tablets and injection (this form is rarely used). The tablets come in nine different strengths, each a different color. The colors of the tablets are important, as it is essential to make sure you have the correct strength (taking too little or too much of this medication can be dangerous).
 
It is important to understand that Coumadin does not "dissolve" or break down blood clots (only special "clot buster" medications that must be given in the hospital can do this). Rather, it prevents them from forming. When used to treat a blood clot, Coumadin keeps the clot formation in check, allowing the body's natural processes to break down the clot.
 
(Click Coumadin for information on when and how to take Coumadin oral tablets, to learn how this medication works, and to find out what you should discuss with your healthcare provider before starting treatment.)
 
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